WO2019211028A1 - Soupape de commutation sanitaire pouvant être commandée à distance et module sanitaire associé - Google Patents

Soupape de commutation sanitaire pouvant être commandée à distance et module sanitaire associé Download PDF

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Publication number
WO2019211028A1
WO2019211028A1 PCT/EP2019/055671 EP2019055671W WO2019211028A1 WO 2019211028 A1 WO2019211028 A1 WO 2019211028A1 EP 2019055671 W EP2019055671 W EP 2019055671W WO 2019211028 A1 WO2019211028 A1 WO 2019211028A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
fluid
outlet
connecting element
changeover
Prior art date
Application number
PCT/EP2019/055671
Other languages
German (de)
English (en)
Inventor
Burkhard Meyer
Original Assignee
Neoperl Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Neoperl Gmbh filed Critical Neoperl Gmbh
Priority to EP19711032.3A priority Critical patent/EP3688348B1/fr
Priority to US16/982,138 priority patent/US11168796B2/en
Priority to ES19711032T priority patent/ES2879834T3/es
Priority to CN201980013882.6A priority patent/CN111742168B/zh
Publication of WO2019211028A1 publication Critical patent/WO2019211028A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/048—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve members
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/021—Devices for positioning or connecting of water supply lines
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/30—Diverter valves in faucets or taps

Definitions

  • the invention relates to a sanitary switching valve, which can be operated in particular from a distance, and an associated sanitary module.
  • the switching valve has a valve housing, which forms a valve inlet, a first valve outlet and a second valve outlet, and a valve piston, which is movable from a first changeover position to a second changeover position.
  • a fluid flowing through the valve inlet can be guided in the first changeover position along a first flow path through the first valve outlet.
  • the fluid In the second changeover position, however, the fluid can be guided along a second flow path through the second valve outlet.
  • a fluid ie in particular a liquid, can thus be guided either along the first flow path or along the second flow path, preferably through the valve housing.
  • Such changeover valves are previously known in the prior art, for example from DE 10 2015 002 885 A1.
  • the switching from the first changeover position to the second changeover position can be unreliable.
  • a typically occurring problem is that the valve piston is vibrated or rotated during the switching, in particular with only a small applied fluid pressure, whereby the switching behavior is adversely affected. In particular, this can lead to an undesirable noise or the switching is incomplete.
  • Object of the present invention is therefore to provide a switching valve as described above, which overcomes these existing disadvantages and ensures a reliable switching behavior, especially at low fluid pressures at the valve inlet.
  • the features of claim 1 are provided according to the invention in a reversing valve.
  • the valve piston has a connecting element which connects a first end portion of the valve piston in the region of the first valve outlet with a second end portion of the valve piston in the region of the second valve outlet, wherein a ,
  • maximum outer diameter of the connecting element is smaller than a, for example, maximum, average or minimum, outer diameter of the second end portion.
  • the connecting element transmits tensile forces from the first end portion to the second end portion of the valve piston and vice versa.
  • forces caused by a fluid pressure on surfaces in the region of the respective end portions of the valve piston, for switching the changeover valve from the first to the second position (and vice versa) can be used.
  • Due to the specific geometry of the valve piston according to the invention a particularly safe switching from the first changeover position to the second changeover position can be achieved since, compared to previously known changeover valves, a much larger amount of fluid can flow when switching through the changeover valve. Due to the associated greater momentum larger forces can be generated by the fluid flow, which can be used for switching.
  • the fluid flowing into the valve housing through the valve inlet flows along the connecting element which forms the valve piston, either in the direction of the first valve outlet or in the direction of the second valve outlet, depending on which of the two flow paths is currently selected.
  • the object can also be achieved by further advantageous embodiments according to the subclaims.
  • valve piston can be switched over from the first changeover position to the second changeover position, in particular by means of a fluid pressure applied to the valve inlet.
  • valve piston preferably displaceably displaceable, mounted within the valve housing, for example by means of a lip seal (see below).
  • the switching can preferably take place as soon as the second flow path, in particular in a section adjoining the second valve outlet, is released.
  • the release can be done, for example, by an outlet valve arranged downstream relative to the second valve outlet, which in particular is remote from the outlet valve Switching valve can be arranged manually opened by a user.
  • the first end portion of the valve piston in the region of the first valve outlet forms a valve seal with the valve housing.
  • the valve housing for this purpose form an annular sealing surface, whereby a particularly secure seal can be achieved.
  • this valve seal is at least partially opened in the first changeover position. Then, in the first changeover position, a fluid that flows in through the valve inlet can flow past the valve seal and out of the first valve outlet. In particular, forces can be generated by this flow which hold the valve piston in the first changeover position or pull into it.
  • the first valve outlet in the second changeover position is preferably completely closed.
  • the second end section of the valve piston can form a receiving space into which a functional element can be inserted or inserted.
  • the radioactivity element preferably influences, for example regulates, a fluid flow along the second flow path.
  • the functional element may for example be a flow restrictor, a flow regulator or a return check valve or a backflow preventer. These elements regulate the fluid flow through the functional element, as a function of the fluid pressure applied to the functional element.
  • at least one elastic retaining jaws is provided, which fixes the radio tion element in the receiving space.
  • the retaining ring may be formed elastically, for example as an O-ring.
  • the outer diameter of the connecting element is also smaller than an outer diameter of the first end portion.
  • the outer diameter of the connecting element may be, for example, a minimum, average or maximum outer diameter.
  • the outer diameter of the first end portion may be, for example, a minimum, average or maximum outer diameter.
  • an inner diameter of the valve housing in the amount of the valve inlet at least l, 5 times, twice or even three times as large as the outer diameter of the connecting element.
  • the connecting element may in this case be for example rod-shaped, in particular such that the connecting element provides the lowest possible flow resistance.
  • the connecting element may alternatively or additionally be designed as a piston stem, preferably made of solid material. At least partially, the connecting element may alternatively or additionally be rotationally symmetrical. In addition, however, the connecting element can also be designed, for example, in the form of a rectilinear pipe. In all these cases, it is generally advantageous for simple production if the connecting element is formed integrally with the valve piston.
  • the connecting element may alternatively or in other areas have a non-circular, for example, star-shaped, polygonal or oval, cross-section.
  • baffles on the valve piston. If a fluid pressure loads on such a surface, this transfers a force to the valve piston, which can be used to switch over the valve.
  • valve piston forms a first baffle surface at the level of a first transition region from the connecting element to the first end section.
  • the valve piston may also form a second baffle surface at the level of a second transition region from the connecting element to the second end section.
  • the two baffles each pass directly into the connecting element.
  • the two baffles are rotationally symmetrical with respect to the connecting element.
  • the second baffle surface maintains a distance to one or the inner wall of the valve housing. Because in this case, a part of the fluid flow can be directed into a dead space, as will be explained in more detail.
  • a further advantageous embodiment provides that at least one flow opening, but preferably at least three flow openings, is / are formed, through which the second flow path extends, in particular into one, for example the aforementioned, receiving space.
  • the flow opening (s) opens / open into the receiving space, which receives the functional element.
  • the at least one flow opening is formed in the second baffle surface.
  • the functional element is arranged in the direction of the second flow path behind the at least one flow opening, that is, for example, behind the second impact surface.
  • the second flow path can be easily brought to the functional unit.
  • the Flow resistance of the functional unit contributes to an effective attack surface together with the second baffle.
  • the flow openings are evenly distributed in the second baffle. Because so that a uniform flow through the functional element can be ensured.
  • the second baffle surface or a second engagement surface comprising the second baffle surface is made larger, preferably more than 1.5 times, twice or even three times as large as the first baffle surface or a first engagement surface comprising the first baffle surface , Because of such a configuration, a particularly safe switching from the first changeover position to the second changeover position can be achieved. Because in this case, the forces generated by the fluid pressure in the direction of the second changeover position are much greater than those in the direction of the first changeover position.
  • a fluid chamber may be formed between the valve housing and the connecting element.
  • This fluid chamber preferably surrounds the connecting element annularly.
  • the valve inlet can open into the fluid chamber.
  • the fluid chamber may be configured such that a fluid flowing through the valve inlet into the fluid chamber can flow around an outer surface of the connecting element, preferably on all sides. Because this results in a particularly favorable flow behavior of the fluid, so that in particular rotations of the valve piston can be avoided.
  • the fluid chamber starting from the valve inlet, tapers in the direction of the first end portion. In this case, it is preferable if the fluid chamber widens additionally in the direction of the second end section.
  • a second flow cross-sectional area of the fluid chamber in the second transition area is greater than a first flow cross-sectional area of the fluid chamber in the region of the first end section.
  • the switching behavior of the changeover valve can be improved in particular in that a first engagement surface of the valve piston which generates surface forces at a fluid pressure applied to the valve inlet which pull the valve piston in the direction of the first changeover position is smaller, preferably more than 1.5 times, twice or three times smaller, is designed as a second engagement surface of the valve piston, which generates at a voltage applied to the valve inlet fluid pressure such surface forces that pull the valve piston in the direction of the second changeover position.
  • the first engagement surface may comprise the already mentioned first impact surface
  • / or the second engagement surface may in this case comprise the already mentioned second impact surface and / or a further impact surface, in particular as described below.
  • the engagement surfaces can be characterized, for example, as the respective hydraulically active surfaces which cause a pressure-induced displacement of the piston.
  • the switching behavior can be optimized by a, preferably rotationally symmetric, dead space is formed between the valve housing and the second end portion of the valve piston. Although a fluid flowing in through the valve inlet can flow into this dead space, it can not flow through it.
  • the advantage here is that an additional impact surface can be created, which provides additional Umstelling, for switching from the first changeover position to the second changeover position. It is particularly advantageous in this case if the valve piston, in particular by means of a, preferably the valve piston circumferential seal, generates such a further impact surface for the fluid.
  • the seal may be formed, for example, as a lip seal.
  • the advantage here is that a frictional resistance is low.
  • the seal may also be formed as an O-ring, X-ring or as an annular groove of any cross-sectional shape.
  • lip seal can be used in particular for guiding the valve piston.
  • the valve piston is guided by means of the lip seal in the valve housing, preferably translationally.
  • a sealing lip of the lip seal points in the direction of the first valve outlet. Because in this case, the applied fluid pressure can contribute to the sealing of the valve piston, since the fluid pressure presses the sealing lip against an inner wall of the valve housing.
  • the second baffle surface of the valve piston it is preferred if, for example, the second baffle surface of the valve piston, but not the
  • Lip seal limits the movement of the valve piston in the first changeover position.
  • the lip seal can also be in mounted reverse orientation, for example, to create a bypass for high pressures.
  • valve inlet between the first valve outlet and the second valve outlet is arranged.
  • valve inlet is formed in an outer circumferential surface of the housing at the level of the connecting element.
  • a length of the connecting element in particular in the direction of a Umstellieri of the valve piston, is selected so that a flowing through the valve inlet fluid can flow around the connecting element both in the first changeover position and in the second changeover position.
  • a sanitary module is furthermore provided with a first fluid outlet, a second fluid outlet and with a changeover valve, which can be configured as described above and / or in particular according to one of the claims directed to a changeover valve.
  • valve housing of the changeover valve is inserted into a housing of the sanitary module such that the first flow path extends through the first fluid outlet, while the second flow path extends through the second fluid outlet of the module.
  • a manually operable outlet valve is provided at the second fluid outlet, with which the second flow path can be released, so that the switching valve switches from the first changeover position to the second changeover position, if a fluid pressure is present at the valve inlet.
  • an application of the invention can provide that the changeover valve is arranged in its use position inaccessible from the outside in the sanitary module encapsulated and / or switchable by a pressure change in the second fluid outlet. Additional mechanical or electrical or other actuating means are therefore unnecessary. This can reduce a design effort and / or a manufacturing effort.
  • FIG. 1 is a detailed cross-sectional view of a switching valve according to the invention, which is used in a sanitary module, wherein the valve piston is in the first changeover position,
  • Valve piston is in the second changeover position
  • 3 is an exploded view of the switching valve according to the invention of Figure 1
  • FIG. 6 shows a first example of the use of a changeover valve according to the invention that is in the first changeover position
  • FIG. 7 shows the same application example of FIG. 6, wherein the changeover valve is now in the second changeover position
  • FIG. 6 shows a first example of the use of a changeover valve according to the invention that is in the first changeover position
  • FIG. 7 shows the same application example of FIG. 6, wherein the changeover valve is now in the second changeover position
  • FIG. 2 shows a second example of the use of a changeover valve according to the invention that is in the first changeover position
  • FIG. 9 shows the same application example of FIG. 8, wherein the changeover valve is now in the second changeover position, FIG.
  • FIG. 11 the same application example of Figure 10, wherein the switching valve is now in the second changeover position.
  • 1 shows an inventive switching valve 1 in a mounting situation within a housing 47 of a sanitary module 32.
  • the switching valve 1 comprises a valve piston 6, which is in a translational movement from the first switching position 7 shown in Figure 1 within the valve housing 2 in a second changeover position 8 lets move.
  • a fluid flowing through the valve inlet 3 formed in a lateral surface of the valve housing 2 can flow through the first valve outlet 4 along the first flow path 9 shown in FIG.
  • the second changeover position 8 in the embodiment shown in Figs. 1 and 2, the first valve outlet 4 is completely closed and the fluid follows the second flow path 10 shown in Fig. 2 through the second valve outlet 5.
  • the valve piston 6 has a first end section 13 in the area of which the first valve outlet 4 is formed and a second end section 14 in the region of which the second valve outlet 5 is formed.
  • the two end portions 13, 14 are connected to each other by means of a connecting element 12.
  • an outer diameter 15 of the connecting element 12 is selected so that it is smaller than an outer diameter 17 of the second end portion 14. This allows large amounts of fluid to the second end portion 14 and thus on the valve piston 6 when switching from the first changeover position 7 in the second changeover position 8 act, so that the switching can be safely ensured even at low fluid pressures.
  • the outer diameter 16 of the first end portion 13 is selected to be larger than the outer diameter 15 of the connecting element 12. This results in recognizable in Figures 1 and 2 dumbbell-shaped outer shape of the valve piston
  • the valve piston 6 forms a first baffle 27 and at the level of a second transition region 26 from the connecting element 12 to the second end section 14 a second baffle 28.
  • These two baffles 27, 28 each pass directly into the connecting element 12 and are each designed rotationally symmetrical with respect to the connecting element 12.
  • the second baffle surface 28 maintains a distance from the inner wall 36 of the valve housing 2 in the second changeover position 8.
  • valve piston 6 can be switched over from the first changeover position 7 to the second changeover position 8 by means of a fluid pressure applied to the valve inlet 3 as soon as the second flow path 10, in particular its section 11 (see FIG. 1), adjoins the second valve outlet 5 connects, is released.
  • a sealing O-ring 29 is further formed at the first end portion 13, which cooperates with a rotationally symmetrical sealing surface 41, which is formed by an inner wall 36 of the valve housing 2.
  • the first end portion 13 thereby forms in the region of the first valve outlet 4 a valve seal 22 with the valve housing 2, which can close and open by translation of the valve piston 6.
  • the second end section 14 of the valve piston 6, forms a receiving space 23 in which a functional element 24 embodied as a cartridge is inserted.
  • the second flow path 10 extends through the functional element 24 therethrough.
  • the functional element 24 is a flow rate regulator that uses an O-ring 29 (see FIG. 1) to control the amount of fluid flowing through the second valve outlet 5, largely independently of the fluid chamber 18 (cf. below) governing fluid pressure, to a certain value.
  • the functional element 24 is held securely in the receiving space 23 by means of a plurality of holding jaws 43 (see FIG. 2).
  • a retaining ring 42 formed of an elastomer presses the retaining jaws 43 concentrically inwards so that retaining lugs of the retaining jaws 43 enclose the functional element 24 (see FIG. 5).
  • the individual components of the switching valve 1 according to the invention can be seen in the exploded view of Figure 3.
  • the changeover valve 1 is designed such that it can be assembled by simply nesting all components together.
  • the connecting element 12 is formed integrally with the valve piston 6 and as a piston shaft made of a solid material (see also FIG. 5).
  • An outer surface 19 of the valve piston 6 is formed as a cylindrical lateral surface.
  • valve housing 2 is formed so that the connecting element 12 in both Umstellpositionen 7, 8 is always spaced from an inner wall 36 of the valve housing 2 is arranged.
  • a fluid chamber 18 is thus formed between the valve piston 6 and the valve housing 2, as shown in FIG. 5.
  • a length 45 (see Fig.l) of the connecting element 12 is just chosen so that in both Umstellpositionen 7 and 8, a flowing through the valve inlet 3 fluid can flow around an outer surface 19 of the connecting element 12 on all sides.
  • the fluid chamber 18 surrounds the valve piston 6, more precisely the connecting element 12, in this case annular.
  • the fluid chamber 18 is rotationally symmetrical to a longitudinal axis 48 of the valve piston 6 (see Fig.l).
  • the valve piston 6th in turn is arranged centrally with respect to the valve housing 2 (see Fig. 5).
  • valve inlet 3 opens into the fluid chamber 18, as illustrated by the synopsis of Figures 3 and 4.
  • the fluid chamber 18 has an inner diameter 46 (see Fig. 1), which is more than three times as large as the outer diameter 15 of the connecting element 12 (see also Figure 5).
  • the inner diameter 46 is formed more than l, 5 times or twice as large as the outer diameter 15th
  • the fluid chamber 18 tapers in the direction of the first end portion 13 and spreads in the direction of the second end portion 14, as can be clearly seen from the bevels of the inner wall 36 of the valve housing 2 in Figure 1. This allows a greater amount of fluid compared to previously known switching valves flow through the switching valve 1 when switching to the second changeover position 8, which is for a robust switching behavior of great advantage.
  • the fluid chamber 18 is further designed such that a first flow cross-sectional area 20, which determines the fluid flow in the region of the first end portion 13 of the valve piston 6 through the first valve outlet 4, is smaller than a second flow cross-sectional area 21, which is in the region of the second end portion 14 of the valve piston 6, the fluid flow in the direction of the second attack surface 40 (formed in the example through the second baffle 28 and the further impact surface 44 - see. below).
  • a first flow cross-sectional area 20 which determines the fluid flow in the region of the first end portion 13 of the valve piston 6 through the first valve outlet 4
  • a second flow cross-sectional area 21 which is in the region of the second end portion 14 of the valve piston 6, the fluid flow in the direction of the second attack surface 40 (formed in the example through the second baffle 28 and the further impact surface 44 - see. below).
  • the second flow cross-sectional area 21 which flows into a dead space 31 which surrounds the receiving space 23 rotationally symmetrically (cf. FIG. 2).
  • the first baffle 27 may coincide with the first engagement surface 39 and / or the second impact surface 28 with the second engagement surface 40 and / or the first baffle 27 may be included in the first engagement surface 39.
  • the amount of fluid which flows when switching into the (variable) dead space 31 does not flow through the second valve outlet 5.
  • the second baffle 28 is formed more than three times as large as the first baffle 27.
  • the second baffle 28 is formed more than l, 5 times or more than twice as large as the first baffle 27th
  • the length 45 of the middle section of the valve piston 6, which forms the connecting element 12 has just been selected such that it is ensured in both switching positions 7, 8 that a fluid flowing through the valve inlet 3 both along the first flow path 9 and along the second flow path 10 in each case the connecting element 12 can flow around on all sides.
  • the fluid can flow almost unhindered onto the first engagement surface 39 or the second engagement surface 40, in order to generate the switching forces necessary for the respective shifting of the valve piston 6.
  • valve inlet 3 is arranged in the embodiment shown in Figures 1 and 2 between the first valve outlet 4 and the second valve outlet 5, therefore, opens into the fluid chamber 18 and is formed by a plurality of flow openings in an outer circumferential surface of the valve housing 2, as shown in FIG 4 is clearly visible.
  • the valve piston 6 has, in addition to the second baffle surface 28, a further impact surface 44.
  • the further impact surface 44 is formed by a sealing lip 38 of a lip seal 30.
  • the lip seal 30 surrounds the second end portion 14 of the valve piston 6 annular.
  • a general seal for example an O-ring or an X-ring or a ring with an arbitrary cross-section, may be formed.
  • the second baffle surface 28 and the further impact surface 44 together form a second engagement surface 40, wherein the forces resulting from the fluid pressure at this second engagement surface 40 pull the valve piston 6 straight into the second changeover position 8 (see FIG. 2).
  • the second engagement surface 40 is designed to be much larger than a first engagement surface 39, which in turn generates forces that move the valve piston 6 in FIG Pull the first changeover position 7.
  • This first engagement surface 39 which is formed in the exemplary embodiment shown in FIGS. 1 and 2 in the region of the first end section 13 of the valve piston 6 (see FIG. 1), is therefore selected to be more than three times smaller than the second engagement surface 40.
  • the first engagement surface 39 is formed more than 1, 5 times or more than twice smaller than the second engagement surface 40.
  • FIGS. 6-11 show three different applications in which a change-over valve 1 according to the invention can be used in an advantageous manner. It is provided that the changeover valve 1 is inserted into a housing 47 of a sanitary module 32 such that the first flow path 9 is guided through a first fluid outlet 33 of the sanitary module 32 and the second flow path 10 through a second fluid outlet 34 of the sanitary module 32 , In addition, located at a greater distance from the switching valve 1, at the second fluid outlet 34, an outlet valve 35, with which a user can release the second flow path 10. If the changeover valve 1 is in the first changeover position 7, as shown in FIGS.
  • the fluid can, provided there is a fluid pressure at the valve inlet 3 of the changeover valve, pass through the first valve outlet 4 of the changeover valve 1 and thus flow out of the first fluid outlet 33 of the assembly 32.
  • changeover forces occur on the first engagement surface 39 of the changeover valve 1, which pull the valve piston 6 into the first changeover position or hold it there.
  • the valve seal 22 shown in FIG. 1 is opened.
  • valve seal 22 in the area of the first valve outlet 4 is closed, and the fluid from the fluid chamber 18 is closed by the flow openings 37 formed in the second impact area 28 of the valve piston 6 and the downstream functional element 24 through and out of the second valve outlet 5 of the switching valve 1 along the second flow path 10 to the second fluid outlet 34 flows, as illustrated in Figures 7, 9 and 11.
  • the outlet valve 35 can either be used either as a lever, for example on a shower, as in Figures 6 to 9, or e.g. as a push button, as illustrated in Figures 10 and 11, be configured.
  • a valve piston 6 of the changeover valve 1 be designed such that a fluid which flows through a valve inlet 3 of the changeover valve 1 into a valve housing 2 of the changeover valve 1, both in a first changeover position 7 and in a second changeover position 8, a connecting element 12, which forms a central portion of the valve piston 6, can flow around on all sides (see FIG. 5).
  • an outer diameter 15 of the connecting element 12 is smaller than an outer diameter 17 of a second end portion 14 of the valve piston 6, wherein the second end portion 14 is arranged in the region of a second valve outlet 5 of the valve housing 2.
  • the fluid can thus be guided, starting from a first flow path 9, which runs through a first valve outlet 4 of the valve housing 2, along a second flow path 10, by means of the valve piston 6, preferably guided translatively within the valve housing 2 passes through the second valve outlet 5.
  • the valve piston 6 can determine the first valve outlet 4 with the valve housing 2 in the first changeover position 7.
  • the valve piston 6 can completely close the first valve 4.
  • the second valve outlet 5 can preferably be at least partially opened both in the first changeover position 7 and in the second changeover position 8.

Abstract

L'invention vise à améliorer les propriétés de commutation d'une soupape de commutation (1) sanitaire. L'invention propose à cet effet qu'un piston (6) de la soupape de commutation (1) soit configuré de telle manière qu'un fluide, qui afflue par une entrée (3) de la soupape de commutation (1) dans un carter (2) de la soupape de commutation (1) puisse circuler de toutes parts, à la fois dans une première position de commutation (7) et dans une deuxième position de commutation (8), autour d'un élément de liaison (12), qui forme une section centrale du piston (6) de soupape (cf. fig. 5). L'invention prévoit à cet effet qu'un diamètre extérieur (15) de l'élément de liaison (12) est inférieur à un diamètre extérieur (17) d'une deuxième section d'extrémité (14) du piston (6) de soupape. La deuxième section d'extrémité (14) est disposée dans la zone d'une deuxième sortie (5) de soupape du carter (2) de soupape (cf. fig. 5).
PCT/EP2019/055671 2018-04-30 2019-03-07 Soupape de commutation sanitaire pouvant être commandée à distance et module sanitaire associé WO2019211028A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19711032.3A EP3688348B1 (fr) 2018-04-30 2019-03-07 Soupape de commutation sanitaire pouvant être commandée à distance et module sanitaire associé
US16/982,138 US11168796B2 (en) 2018-04-30 2019-03-07 Sanitary switchable valve that can be remotely operated and associated sanitary assembly
ES19711032T ES2879834T3 (es) 2018-04-30 2019-03-07 Válvula de conmutación sanitaria que puede ser controlada a distancia y conjunto sanitario asociado
CN201980013882.6A CN111742168B (zh) 2018-04-30 2019-03-07 可远程操作的卫生转换阀以及所属的卫生结构组件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018102400.0 2018-04-30
DE202018102400.0U DE202018102400U1 (de) 2018-04-30 2018-04-30 Fernbedienbares sanitäres Umschaltventil sowie zugehörige sanitäre Baugruppe

Publications (1)

Publication Number Publication Date
WO2019211028A1 true WO2019211028A1 (fr) 2019-11-07

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Application Number Title Priority Date Filing Date
PCT/EP2019/055671 WO2019211028A1 (fr) 2018-04-30 2019-03-07 Soupape de commutation sanitaire pouvant être commandée à distance et module sanitaire associé

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US (1) US11168796B2 (fr)
EP (1) EP3688348B1 (fr)
CN (1) CN111742168B (fr)
DE (1) DE202018102400U1 (fr)
ES (1) ES2879834T3 (fr)
WO (1) WO2019211028A1 (fr)

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US5743286A (en) * 1996-07-03 1998-04-28 Chung Cheng Faucet Co., Ltd. Reverse flow proof control-valve for a mono-faucet
EP1253361A1 (fr) * 2001-04-27 2002-10-30 Avilion Limited Soupape de dérivation
US20140054484A1 (en) * 2012-08-24 2014-02-27 Globe Union Industrial Corp. Switching Valve
DE102015002885A1 (de) 2015-03-09 2016-09-15 Neoperl Gmbh Sanitäres Umschaltventil sowie Baugruppe mit einem solchen Umschaltventil

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DE202018102400U1 (de) 2019-07-31
ES2879834T3 (es) 2021-11-23
EP3688348A1 (fr) 2020-08-05
US11168796B2 (en) 2021-11-09
US20210116040A1 (en) 2021-04-22
EP3688348B1 (fr) 2021-04-28
CN111742168A (zh) 2020-10-02
CN111742168B (zh) 2022-08-05

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